Sentences with phrase «of a magnetic field because»

Infrared light is a good probe of the magnetic field because stronger magnetic fields change the way light is emitted in that range.

Not exact matches

Because of Saturn's strong magnetic field, the poles are home to beautiful Aurorae, just like those of Earth and Jupiter.
In addition, because part of the inertia of a particle is due to the electromagnetic field around it, as you speed up such a particle the electric field produces a magnetic field, the changing magnetic field produces a back EMF, and this whole reaction of the field produces a resistance to acceleration.
The earth has North and South poles because of the «Magnetic Field» generated by the its metallic molten core.
The island is one of the best places to peer into the history of Earth's magnetic field because its fluctuations are recorded in the ancient volcanic rock.
Because the magnetic field influences the structure of rocks (and clay pots) during their formation, knowing the field's history allows you to tie specific objects to specific ranges of dates.
Because Mars no longer has a global magnetic field to protect it, solar wind might strip away material from the upper layers of the atmosphere.
Dangerous cosmic rays are deflected by the magnetic field back out into space, and our atmosphere remains robust because of this protection.
In 23 fly - bys which passed through Titan's ionosphere or its magnetic tail, CAPS detected measurable quantities of these photoelectrons up to 6.8 Titan radii away from the moon, because they can easily travel along the magnetic field lines.
The signal travels between the wires because the magnetic field formed by the first wire — the transmitter — creates an electric field in space, which in turn creates a magnetic field, and so on, moving outward at the speed of light.
Because a disk is composed of ionized gas and dust, a spinning stars magnetic field gets caught up in it and the result is like a spoon being dragged through molasses, Rebull says.
Current astronauts are not as exposed to the damaging effects of radiation, Davis says, because the International Space Station flies in an orbit low enough that the Earth's magnetic field continues to provide protection.
Like many planets and most stars, Earth produces its own magnetic field by dynamo action, i.e. because of the motion of an electrically conducting fluid - in this case, a mixture of molten iron and nickel.
«The use of a radiofrequency - driven magnetic field is a big advance in remote gene expression because it is non-invasive and easily adaptable,» says Dordick, who is Howard P. Isermann Professor of Chemical and Biological Engineering and vice president of research at Rensselaer.
But solar flares — the brief, intense flashes of light caused by the sun's magnetic fields changing shape suddenly — couldn't be causing the heating because none were observed.
According to him, some storms are most troublesome because of a process called magnetic reconnection, in which the magnetic field of the CME interacts directly with the Earth's magnetic field.
Because of the high magnetic field required to produce the magnetoresistance effect, Kobayashi says, the material isn't ready to be used in data storage devices.
Because solar storms enhance the electric currents that let this magnetosphere - ionosphere lightning take place, this type of energy transfer is much more likely when Earth's magnetic field is jostled by a solar event.
The use of a static magnetic field to cause the reaction is important because it poses no threat to the body, said Sergiy Minko, the Georgia Power Professor of Fiber and Polymer Science within the FACS department of textiles, merchandising and interiors and the Franklin College of Arts and Sciences department of chemistry.
The magnetic field, which may be generated by the planet's core, is connected to the winds because of high temperatures stripping electrons from atmospheric atoms of lithium, sodium and potassium, making them positively charged.
Pulsars reveal the magnetic field in neighboring reaches of space because they typically emit polarized light — radio waves that vibrate in a particular plane as they travel through space.
Cusp devices were investigated in the 1960s and 1970s but were largely abandoned because particles leak out through gaps between the various magnetic fields leading to a loss of temperature.
«Because rock in the deep mantle moves less than a centimeter a year, we know the LLSVP is ancient, meaning it may be a longstanding site for the loss of magnetic field strength,» said Tarduno.
As Tarduno points out, it is only speculation because weakening magnetic fields can recover without leading to a reversal of the poles.
Another protostar forming in the same cloud of material, dubbed W75N (B)- VLA 1, sported an organized magnetic field in 1996 and therefore is farther along in its stellar evolution, likely because it's more massive.
That's because the current galactic environment is full of magnetic fields and turbulence, both of which greatly complicate the creation of accurate simulations.
They are able to do this because they can measure an anomaly in Earth's magnetic field — like one caused by a massive hunk of metal.
This is because the extreme density of the plasma gives rise to quantum effects, while the high energy density of the magnetic field gives rise to relativistic effects, says Shi.
The surfaces of other planets like Mars are much more susceptible to cosmic rays because of their thin atmospheres and, in the case of Mars, its lack of a magnetic field.
Because of its charge, a proton becomes trapped inside a supernova remnant's magnetic field.
Because the magnetic fields are precisely known, the size of the cloud is an absolute measure of the atoms» energy and temperature.
«A magnetic field protects an atmosphere from the sun, because it turns charged particles away,» says team member David Brain at the University of Colorado in Boulder.
«We were excited because our calculations showed that crystallization of silicon dioxide crystals from the core could provide an immense new energy source for powering the Earth's magnetic field
Dynamos are possible because mechanical energy — in this case the movement of the fluid in the outer core — can generate a magnetic field.
«The antiprotons look just like familiar protons, but because they are antimatter, they have a negative charge instead of positive, so they curve the opposite way in the magnetic field of the detector.»
The levitation trick works because giant magnetic fields slightly distort the orbits of electrons in the frog's atoms.
Because any electrical current generates a magnetic field, this roadblock greatly limits the practicality of harnessing the electron superhighway effect.
Geologists can track continental motion hundreds of millions of years into the past because the direction of the Earth's magnetic field changes with latitude, and is «frozen» into rocks as they solidify.
Because the tiny bots contain such a small quantity and surface area of magnetic material, it takes a relatively strong magnetic field to move them.
Because the phases respond to both magnetic and electrical fields, the material can be controlled in multiple ways, which creates the possibility for new types of computer chips.
Among its discoveries: an intense radiation belt above Jupiter's cloud tops, helium in about the same concentration as the Sun, extensive and rapid resurfacing of the moon Io because of volcanism and a magnetic field at Ganymede.
«In the earliest phase of star formation, there are theoretical difficulties in producing such a disk, because magnetic fields can slow down the rotation of collapsing material, preventing such a disk from forming around a very young protostar.
The internal structures of giant planets are much less well known than those of main - sequence stars because of uncertainties in the equation of state of degenerate gas, the composition (typically non-solar), the interaction with the magnetic field and, in the upper layers, the relative magnitudes of internal heat and energy deposited from the sun.
Because the telescope is so far away from Earth, it lacks the protection of our planet's magnetic field.
It found that Saturn's magnetic field is closely aligned with the planet's axis of rotation, which baffled scientists because of how they think magnetic fields are generated — through a difference of tilt between the magnetic field and a planet's rotation.
Because the highest - energy cosmic rays are deflected very little by the magnetic fields in our galaxy - and even less by the much weaker fields in intergalactic space - we ought to be able to look back in the direction of the cosmic rays to find their origin.
Because the core is estimated to have begun solidifying nearly a billion years ago, the latest findings suggest that the prevailing conditions, such as the direction of Earth's magnetic field, might have changed during the solidification process.
In addition to variations in chemical composition — both because of the initial abundances and the star's evolutionary status, [34] interaction with a close companion, [35] rapid rotation, [36] or a magnetic field can also change a main sequence star's position slightly on the HR diagram, to name just a few factors.
Specific sources of other cosmic rays can not be determined easily, because large magnetic fields in the galaxy scatter the rays in all directions.
Relatively few of the particles reach the earth's atmosphere, because the earth's magnetic field acts as a barrier.
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